【Package Contents】： 12PCS M12 T-nuts (Tee nuts) made of durable 4.8-grade carbon steel, plus 36PCS rust-resistant 304 stainless steel Phillips self-tapping screws. Ideal for furniture hardware and DIY projects. 【Dimensions】：M12×1.75mm female threaded insert with a 16mm stud OD and 25mm total height. Features a 40mm round base (2.5mm thick) for stable 16mm flange inserts in wood or panel applications. 【Wide Compatibility】：Commonly used for wooden tables, chairs, beds, sofas, and wall/ceiling mounts. Versatile T-nuts (T nuts m12) suit carpentry, workshops, and industrial needs. 【Advantages】：High-strength M12 T-nut (carbon steel) paired with anti-rust 304 screws. Perfect for heavy-duty furniture hardware, wall supports, or ceiling fixtures. 【Installation】：Drill a 16mm hole; 2. Insert the M12 T-nut flush with the surface; 3. Secure tightly using included self-tapping screws. Ensures a tighter connection for lasting hold.